20318265

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41047}}^1$

素因数の和:41069

約数の個数: 24

約数和(自身を含む): 38420928

約数和(自身を除く): 18102663

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 41047, 123141, 205235, 369423, 451517, 615705, 1354551, 1847115, 2257585, 4063653, 6772755, 20318265]

約数ペア:

[(1, 20318265), (3, 6772755), (5, 4063653), (9, 2257585), (11, 1847115), (15, 1354551), (33, 615705), (45, 451517), (55, 369423), (99, 205235), (165, 123141), (495, 41047)]